Insert for a drill bit



FIG. 1 is a perspective view of an insert for a drill bit.

FIG. 2 is another perspective view of the insert of FIG. 1.

FIG. 3 is a top view of the insert of FIG. 1.

FIG. 4 is a side view of the insert of FIG. 1.

FIG. 5 is a bottom view of the insert of FIG. 1.

FIG. 6 is another side view of the insert of FIG. 1.

FIG. 7 is a front view of the insert of FIG. 1; and,

FIG. 8 is a rear view of the insert of FIG. 1.

The broken lines illustrate environment and boundaries of the claimed design, and form no part of the claimed design. 

CLAIM The ornamental design for an insert for a drill bit, as shown and described. 